3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $data = [ 'c' => [ [ 'q' => 1, ], [ 'q' => 2, ], [ 'q' => 3, ], ] ]; $before = $data; foreach ($data['c'] as &$c) { } $after = $data; var_dump($before === $after); foreach ($data['c'] as $c) { } $after = $data; var_dump($before === $after);
Output for 5.4.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.3.0beta1
bool(true) bool(false)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/OuDSC on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/OuDSC on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/OuDSC on line 3
Process exited with code 255.